pid drive

hi guys

assume i have one drive with two pumps, i wanna control the speed of pumps with pressure signal which is sent by pressure transmitter to drive with the use of PID drive

when first motor reached its max speed ,the second motor must run and simultaneously the drive must decrease the speed of first motor,and finally if pressure be low increase the speed of first motor to the value which is needed

best regards

... you have one converter and two motors connected?

Then you can´t control both motors independed from each other.

note that the first motor adjust the pressure and when it reached its maximum frequency ,the second motor join the circuit with a relay and the speed of first motor adjusts  according to the conditions,

actually the first motor controls pressure but when it reach its maximum frequency the second motor comes